| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.bcel.classfile; |
| |
| import java.io.DataInput; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| |
| import org.apache.bcel.Constants; |
| |
| /** |
| * This class is derived from the abstract |
| * <A HREF="org.apache.bcel.classfile.Constant.html">Constant</A> class |
| * and represents a reference to a method handle. |
| * |
| * @see Constant |
| * @since 6.0 |
| */ |
| public final class ConstantMethodHandle extends Constant { |
| |
| private static final long serialVersionUID = -7875124116920198044L; |
| private int reference_kind; |
| private int reference_index; |
| |
| |
| /** |
| * Initialize from another object. |
| */ |
| public ConstantMethodHandle(ConstantMethodHandle c) { |
| this(c.getReferenceKind(), c.getReferenceIndex()); |
| } |
| |
| |
| /** |
| * Initialize instance from file data. |
| * |
| * @param file Input stream |
| * @throws IOException |
| */ |
| ConstantMethodHandle(DataInput file) throws IOException { |
| this(file.readUnsignedByte(), file.readUnsignedShort()); |
| } |
| |
| |
| public ConstantMethodHandle(int reference_kind, int reference_index) { |
| super(Constants.CONSTANT_MethodHandle); |
| this.reference_kind = reference_kind; |
| this.reference_index = reference_index; |
| } |
| |
| |
| /** |
| * Called by objects that are traversing the nodes of the tree implicitly |
| * defined by the contents of a Java class. I.e., the hierarchy of methods, |
| * fields, attributes, etc. spawns a tree of objects. |
| * |
| * @param v Visitor object |
| */ |
| @Override |
| public void accept( Visitor v ) { |
| // TODO Add .visitMethodHandle to Visitor interface |
| } |
| |
| |
| /** |
| * Dump method kind and index to file stream in binary format. |
| * |
| * @param file Output file stream |
| * @throws IOException |
| */ |
| @Override |
| public final void dump( DataOutputStream file ) throws IOException { |
| file.writeByte(tag); |
| file.writeByte(reference_kind); |
| file.writeShort(reference_index); |
| } |
| |
| |
| public int getReferenceKind() { |
| return reference_kind; |
| } |
| |
| |
| public void setReferenceKind(int reference_kind) { |
| this.reference_kind = reference_kind; |
| } |
| |
| |
| public int getReferenceIndex() { |
| return reference_index; |
| } |
| |
| |
| public void setReferenceIndex(int reference_index) { |
| this.reference_index = reference_index; |
| } |
| |
| |
| /** |
| * @return String representation |
| */ |
| @Override |
| public final String toString() { |
| return super.toString() + "(reference_kind = " + reference_kind + |
| ", reference_index = " + reference_index + ")"; |
| } |
| } |